发明名称 |
Foamed cellular polyester resins and process for their preparation |
摘要 |
A foamed cellular material from polyester resins is obtained by extrusion foaming of polyester resins having melt strength higher than 8 centinewton, intrinsic viscosity greater than 0.8 dl/g and complex melt viscosity higher than 25,000 poises.
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申请公布号 |
US5422381(A) |
申请公布日期 |
1995.06.06 |
申请号 |
US19940275234 |
申请日期 |
1994.07.14 |
申请人 |
M. & G. RICHERCHE S.P.A. |
发明人 |
AL GHATTA, HUSSAIN A. K.;SEVERINI, TONINO;ASTARITA, LUCA |
分类号 |
B29C47/00;B29K67/00;B29K105/04;C08J9/00;C08J9/04;C08J9/14;F16G11/00;H02G15/18;(IPC1-7):C08J9/08 |
主分类号 |
B29C47/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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